<template>
	<view class="container">
		<!-- 小程序头部兼容 -->
		<!-- #ifdef MP -->
	<!-- 	<view class="mp-search-box">
			<input class="ser-input" type="text" value="输入关键字搜索"/>
		</view> -->
		<!-- #endif -->
		
		<!-- 头部轮播 -->
		<view class="carousel-section">
			<!-- 标题栏和状态栏占位符 -->
			<view class="titleNview-placing"></view>
			<!-- 背景色区域 -->
			<view class="titleNview-background" :style="{backgroundColor:titleNViewBackground}"></view>
			<swiper class="carousel" circular @change="swiperChange">
				<swiper-item v-for="(item, index) in carouselList" :key="index" class="carousel-item" @click="navToDetailPage({title: '轮播广告'})">
					<image :src="item.src" />
				</swiper-item>
			</swiper>
			<!-- 自定义swiper指示器 -->
			<view class="swiper-dots">
				<text class="num">{{swiperCurrent+1}}</text>
				<text class="sign">/</text>
				<text class="num">{{swiperLength}}</text>
			</view>
		</view>
		<!-- 分类 -->
		<view class="cate-section">
			<view class="cate-item">
				<image src="/static/temp/c3.png"></image>
				<text>华为</text>
			</view>
			<view class="cate-item">
				<image src="/static/temp/c5.png"></image>
				<text>小米</text>
			
			</view>
			<view class="cate-item">
				<image src="/static/temp/c6.png"></image>
				<text>oppo</text>
			</view>
			<view class="cate-item">
				<image src="/static/temp/c7.png"></image>
				<text>vivo</text>
			</view>
			<view class="cate-item">
				<image src="/static/temp/c8.png"></image>
				<text>其他</text>
			</view>
		</view>

		<!-- 猜你喜欢 -->
		<view class="f-header m-t">
			<image src="/static/temp/h1.png"></image>
			<view class="tit-box">
				<text class="tit">推荐手机</text>
				<!-- <text class="tit2">Recommend the phone</text> -->
			</view>
			<text class="yticon icon-you"></text>
		</view>
		
		
		<view v-if="goodsList.length != 0" class="guess-section">
			<view 
				v-for="(item, index) in goodsList" :key="index"
				class="guess-item"
				@click="navToDetailPage(item)"
			>
			<!-- @click="navToDetailPage(item)" -->
				<view class="image-wrapper">
					<image :src="item.img" mode="aspectFill"></image>
				</view>
				<view class="">
					<text class="title clamp">{{item.product_name}}</text>
					<text class="price">￥{{item.price}}</text>
				</view>
				<view class="">
					<uni-number-box
						class=""
						:min="1" 	
						:max="item.stock"
						:value="item.number>item.stock?item.stock:item.number"
						:isMax="item.number>=item.stock?true:false"
						:isMin="item.number===0"
						:index="index"
						@eventChange="numberChange"
					></uni-number-box>
					<!-- <text class="tit">门牌号</text> -->
					<!-- <input @blur="set_num" class="input" type="text" placeholder="请输入购买数量" placeholder-class="placeholder" /> -->
					<button type="primary" class="buy-button" @click="open(item)"><text class="but-text">购买</text></button>
					<!-- <uni-popup ref="popup" type="bottom">底部弹出 Popup</uni-popup> -->
				</view>
			</view>
		</view>
		<uni-popup ref="popup" type="dialog">
		    <uni-popup-dialog type="input" :duration="2000" :before-close="true" @close="close" @confirm="confirm" :content="msg"></uni-popup-dialog>
		</uni-popup>
		<uni-load-more :status="loadingType"></uni-load-more>
	</view>
</template>

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	import UniPopup from '@/components/uni-popup/uni-popup.vue';
	import uniPopupDialog from '@/components/uni-popup/uni-popup-dialog.vue';
	import uniNumberBox from '@/components/uni-number-box.vue'
	

	export default {
		components: {
				uniLoadMore,
				UniPopup,
				uniPopupDialog,
				uniNumberBox
			},
		data() {
			return {
				titleNViewBackground: '',
				swiperCurrent: 0,
				swiperLength: 0,
				carouselList: [],
				goodsList: [],
				offset: 0,
				product:{},
				num: 0,
				loadingType: '',
				msg:'',
			};
		},

		onLoad() {
			// this.loadData2();
		},
		onShow(){
			console.log(111)
			this.offset = 0;	
			this.goodsList= [];
			this.loadingType= 'loading';
			this.loadData2();
		},
		// //下拉刷新
		// onPullDownRefresh() {
		// 	this.offset = 0;
		// 	this.loadData('refresh');
		// },
		//加载更多
		onReachBottom() {
			this.loadData2();
		},
		methods: {
			/**
			 * 请求静态数据只是为了代码不那么乱
			 * 分次请求未作整合
			 */
		   async open(item){
				   // this.$refs.popup.open()
				   console.log(item)
				   console.log(this.num)
				   if (!this.num){
					   uni.showToast({
					       title: '请先输入数量',
						   icon: 'none',
					       duration: 1000
					   });
					   return 
				   }
				   this.product = item
				   this.msg = '产品名称：' + this.product.product_name + '\n ' + '支付金额：' + this.product.price  + ' * ' + this.num + ' = ' + parseInt(this.product.price) * this.num + '元'
				   this.$refs.popup.open()
				},
			close(done){
			            // TODO 做一些其他的事情，before-close 为true的情况下，手动执行 done 才会关闭对话框
			            // ...
			            done()
			},
			async confirm(done,value){
				// 输入框的值
				console.log(value)
				let res = await this.$api.addOrder({'product_name':this.product.product_name, 'price':parseInt(this.product.price) * this.num, 'num':this.num});
				console.log(res.data)
				if (res.data.code == 200){
					this.num = 0
					this.product = {}
				}
				// TODO 做一些其他的事情，手动执行 done 才会关闭对话框
				// ...
				done()
			},
			//数量
			numberChange(data){
				this.num = data.number;
				// this.calcTotal();
			},
			set_num(event){
				this.num = event.detail.value
			},
			async loadData() {
				let carouselList = await this.$main.json('carouselList');
				this.titleNViewBackground = carouselList[0].background;
				this.swiperLength = carouselList.length;
				this.carouselList = carouselList;
				
				let goodsList = await this.$main.json('goodsList');
				this.goodsList = goodsList || [];
			},
			
			async loadData2(type = 'add', loading) {
				
				let carouselList = await this.$main.json('carouselList');
				this.titleNViewBackground = carouselList[0].background;
				this.swiperLength = carouselList.length;
				this.carouselList = carouselList;
				//没有更多直接返回
				if (type === 'add') {
					if (this.loadingType === 'nomore') {
						return;
					} 
					this.loadingType = 'loading';
				} else {
					this.loadingType = 'more';
				}
			
				let res = await this.$api.getGoods({ limit: 10, offset: this.offset });
				this.offset += 10;
				if (res.data.status){
					let goodsList = res.data.data;
					
					this.is_empty = goodsList.length === 0 ? true:false
								
					if (type === 'refresh') {
						this.goodsList = [];
					}
					
					if (goodsList.length > 0 ) {
						this.goodsList = this.goodsList.concat(goodsList);
					}
					this.loadingType = goodsList.length < 10 ? 'nomore' : 'more';
								
					if (type === 'refresh') {
						if (loading == 1) {
							uni.hideLoading();
						} else {
							uni.stopPullDownRefresh();
						}
					}
				}else{
					this.loadingType = 'nomore'
				}
				
			},
			//轮播图切换修改背景色
			swiperChange(e) {
				const index = e.detail.current;
				this.swiperCurrent = index;
				this.titleNViewBackground = this.carouselList[index].background;
			},
			//详情页
			navToDetailPage(item) {
				//测试数据没有写id，用title代替
				let id = item.title;
				// uni.navigateTo({
				// 	// url: `/pages/product/product?id=${id}`,
				// 	url: `/pages/product/product?id=${id}`
				// })
				// plus.runtime.openURL('https://www.baidu.com');
			},
			//搜索跳转
			toSearch() {
				uni.navigateTo({
					url: '/pages/search/search'
				});
			},
		},
		// #ifndef MP
		// 标题栏input搜索框点击
		onNavigationBarSearchInputClicked: async function(e) {
			this.toSearch();
		},
		//点击导航栏 buttons 时触发
		onNavigationBarButtonTap(e) {
			const index = e.index;
			if (index === 0) {
				this.$main.msg('点击了扫描');
			} else if (index === 1) {
				// #ifdef APP-PLUS
				const pages = getCurrentPages();
				const page = pages[pages.length - 1];
				const currentWebview = page.$getAppWebview();
				currentWebview.hideTitleNViewButtonRedDot({
					index
				});
				// #endif
				uni.navigateTo({
					url: '/pages/notice/notice'
				})
			}
		}
		// #endif
	}
</script>

<style lang="scss">
	/* #ifdef MP */
	.mp-search-box{
		position:absolute;
		left: 0;
		top: 30upx;
		z-index: 9999;
		width: 100%;
		padding: 0 80upx;
		.ser-input{
			flex:1;
			height: 56upx;
			line-height: 56upx;
			text-align: center;
			font-size: 28upx;
			color:$font-color-base;
			border-radius: 20px;
			background: rgba(255,255,255,.6);
		}
	}
	page{
		.cate-section{
			position:relative;
			z-index:5;
			border-radius:16upx 16upx 0 0;
			margin-top:-20upx;
		}
		.carousel-section{
			padding: 0;
			.titleNview-placing {
				padding-top: 0;
				height: 0;
			}
			.carousel{
				.carousel-item{
					padding: 0;
				}
			}
			.swiper-dots{
				left:45upx;
				bottom:40upx;
			}
		}
	}
	/* #endif */
	
	
	page {
		background: #f5f5f5;
	}
	.m-t{
		margin-top: 16upx;
	}
	/* 头部 轮播图 */
	.carousel-section {
		position: relative;
		padding-top: 10px;

		.titleNview-placing {
			height: var(--status-bar-height);
			padding-top: 44px;
			box-sizing: content-box;
		}

		.titleNview-background {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 426upx;
			transition: .4s;
		}
	}
	.carousel {
		width: 100%;
		height: 350upx;

		.carousel-item {
			width: 100%;
			height: 100%;
			padding: 0 28upx;
			overflow: hidden;
		}

		image {
			width: 100%;
			height: 100%;
			border-radius: 10upx;
		}
	}
	.swiper-dots {
		display: flex;
		position: absolute;
		left: 60upx;
		bottom: 15upx;
		width: 72upx;
		height: 36upx;
		background-image: url();
		background-size: 100% 100%;

		.num {
			width: 36upx;
			height: 36upx;
			border-radius: 50px;
			font-size: 24upx;
			color: #fff;
			text-align: center;
			line-height: 36upx;
		}

		.sign {
			position: absolute;
			top: 0;
			left: 50%;
			line-height: 36upx;
			font-size: 12upx;
			color: #fff;
			transform: translateX(-50%);
		}
	}
	/* 分类 */
	.cate-section {
		display: flex;
		justify-content: space-around;
		align-items: center;
		flex-wrap:wrap;
		padding: 30upx 22upx; 
		background: #fff;
		.cate-item {
			display: flex;
			flex-direction: column;
			align-items: center;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
		}
		/* 原图标颜色太深,不想改图了,所以加了透明度 */
		image {
			width: 88upx;
			height: 88upx;
			margin-bottom: 14upx;
			border-radius: 50%;
			opacity: .7;
			box-shadow: 4upx 4upx 20upx rgba(250, 67, 106, 0.3);
		}
	}
	.ad-1{
		width: 100%;
		height: 210upx;
		padding: 10upx 0;
		background: #fff;
		image{
			width:100%;
			height: 100%; 
		}
	}
	/* 秒杀专区 */
	.seckill-section{
		padding: 4upx 30upx 24upx;
		background: #fff;
		.s-header{
			display:flex;
			align-items:center;
			height: 92upx;
			line-height: 1;
			.s-img{
				width: 140upx;
				height: 30upx;
			}
			.tip{
				font-size: $font-base;
				color: $font-color-light;
				margin: 0 20upx 0 40upx;
			}
			.timer{
				display:inline-block;
				width: 40upx;
				height: 36upx;
				text-align:center;
				line-height: 36upx;
				margin-right: 14upx;
				font-size: $font-sm+2upx;
				color: #fff;
				border-radius: 2px;
				background: rgba(0,0,0,.8);
			}
			.icon-you{
				font-size: $font-lg;
				color: $font-color-light;
				flex: 1;
				text-align: right;
			}
		}
		.floor-list{
			white-space: nowrap;
		}
		.scoll-wrapper{
			display:flex;
			align-items: flex-start;
		}
		.floor-item{
			width: 150upx;
			margin-right: 20upx;
			font-size: $font-sm+2upx;
			color: $font-color-dark;
			line-height: 1.8;
			image{
				width: 150upx;
				height: 150upx;
				border-radius: 6upx;
			}
			.price{
				color: $uni-color-primary;
			}
		}
	}
	
	.f-header{
		display:flex;
		align-items:center;
		height: 140upx;
		padding: 6upx 30upx 8upx;
		background: #fff;
		image{
			flex-shrink: 0;
			width: 80upx;
			height: 80upx;
			margin-right: 20upx;
		}
		.tit-box{
			flex: 1;
			display: flex;
			flex-direction: column;
		}
		.tit{
			font-size: $font-lg +2upx;
			color: #font-color-dark;
			line-height: 1.3;
		}
		.tit2{
			font-size: $font-sm;
			color: $font-color-light;
		}
		.icon-you{
			font-size: $font-lg +2upx;
			color: $font-color-light;
		}
	}
	/* 团购楼层 */
	.group-section{
		background: #fff;
		.g-swiper{
			height: 650upx;
			padding-bottom: 30upx;
		}
		.g-swiper-item{
			width: 100%;
			padding: 0 30upx;
			display:flex;
		}
		image{
			width: 100%;
			height: 460upx;
			border-radius: 4px;
		}
		.g-item{
			display:flex;
			flex-direction: column;
			overflow:hidden;
		}
		.left{
			flex: 1.2;
			margin-right: 24upx;
			.t-box{
				padding-top: 20upx;
			}
		}
		.right{
			flex: 0.8;
			flex-direction: column-reverse;
			.t-box{
				padding-bottom: 20upx;
			}
		}
		.t-box{
			height: 160upx;
			font-size: $font-base+2upx;
			color: $font-color-dark;
			line-height: 1.6;
		}
		.price{
			color:$uni-color-primary;
		}
		.m-price{
			font-size: $font-sm+2upx;
			text-decoration: line-through;
			color: $font-color-light;
			margin-left: 8upx;
		}
		.pro-box{
			display:flex;
			align-items:center;
			margin-top: 10upx;
			font-size: $font-sm;
			color: $font-base;
			padding-right: 10upx;
		}
		.progress-box{
			flex: 1;
			border-radius: 10px;
			overflow: hidden;
			margin-right: 8upx;
		}
	}
	/* 分类推荐楼层 */
	.hot-floor{
		width: 100%;
		overflow: hidden;
		margin-bottom: 20upx;
		.floor-img-box{
			width: 100%;
			height:320upx;
			position:relative;
			&:after{
				content: '';
				position:absolute;
				left: 0;
				top: 0;
				width: 100%;
				height: 100%;
				background: linear-gradient(rgba(255,255,255,.06) 30%, #f8f8f8);
			}
		}
		.floor-img{
			width: 100%;
			height: 100%;
		}
		.floor-list{
			white-space: nowrap;
			padding: 20upx;
			padding-right: 50upx;
			border-radius: 6upx;
			margin-top:-140upx;
			margin-left: 30upx;
			background: #fff;
			box-shadow: 1px 1px 5px rgba(0,0,0,.2);
			position: relative;
			z-index: 1;
		}
		.scoll-wrapper{
			display:flex;
			align-items: flex-start;
		}
		.floor-item{
			width: 180upx;
			margin-right: 20upx;
			font-size: $font-sm+2upx;
			color: $font-color-dark;
			line-height: 1.8;
			image{
				width: 180upx;
				height: 180upx;
				border-radius: 6upx;
			}
			.price{
				color: $uni-color-primary;
			}
		}
		.more{
			display:flex;
			align-items: center;
			justify-content: center;
			flex-direction: column;
			flex-shrink: 0;
			width: 180upx;
			height: 180upx;
			border-radius: 6upx;
			background: #f3f3f3;
			font-size: $font-base;
			color: $font-color-light;
			text:first-child{
				margin-bottom: 4upx;
			}
		}
	}
	/* 猜你喜欢 */
	.guess-section{
		display:flex;
		flex-wrap:wrap;
		padding: 0 30upx;
		background: #fff;
		.guess-item{
			display:flex;
			flex-direction: column;
			width: 48%;
			padding-bottom: 40upx;
			&:nth-child(2n+1){
				margin-right: 4%;
			}
		}
		.image-wrapper{
			width: 100%;
			height: 330upx;
			border-radius: 3px;
			overflow: hidden;
			image{
				width: 100%;
				height: 100%;
				opacity: 1;
			}
		}
		.title{
			font-size: $font-lg;
			color: $font-color-dark;
			line-height: 80upx;
		}
		.price{
			font-size: $font-lg;
			color: $uni-color-primary;
			line-height: 1;
		}
		.buy-button{
			height: 60upx;
			display: inline-flex;
			width: 35%;
			margin-left: 14upx;
			top:8upx;
			.but-text{
				position: relative;
				top: -8upx;
			}
		}
	}
	

</style>
